DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

fastweb.it · 62.101.76.218:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=IT ST=Lombardia L=Milano O=FastWeb S.p.A. CN=*.fastweb.it
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-05-06T00:00:00+00:00
Expires
2026-11-20T23:59:59+00:00
Days remaining
56
Serial (hex)
08CB38D738C5DC65E81E4AB640CBE6BA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.fastweb.it, DNS:fastweb.it

SHA-256 fingerprint

0B:C9:7B:BF:75:F1:84:94:8F:95:27:81:C8:55:BE:B8:76:31:68:08:7A:DE:E7:58:ED:D3:57:20:D8:B5:4E:6D
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
FB:64:10:25:4C:D2:E6:D3:78:78:B7:73:A5:10:47:F3:26:B6:E3:42
subjectAltName
DNS:*.fastweb.it, DNS:fastweb.it
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : May 6 08:34:12.578 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FD:48:47:08:77:AD:6C:5E:79:82:38: 0F:A9:42:50:7B:7F:26:22:DA:18:DA:A1:F3:23:D9:90: 0E:AC:9C:45:A2:02:21:00:A0:65:A7:1B:7F:DB:4D:5C: E9:82:83:8D:79:69:69:FE:48:67:58:63:CE:A1:55:00: E5:6A:82:DF:78:6A:7B:F5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : May 6 08:34:12.614 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6E:63:FF:1F:EE:CE:42:FC:C4:E9:F5:3F: EC:2B:14:6A:D8:97:79:A9:F2:27:42:87:8E:85:F2:21: 40:B0:7B:C5:02:21:00:FF:75:05:E4:86:BA:4F:76:12: DC:8F:BB:68:E5:8D:10:D7:40:B3:E8:6B:83:E6:DC:32: 64:8B:27:68:F7:A0:65 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : May 6 08:34:12.595 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9A:50:B9:BD:7D:EF:5F:4B:63:03:4F: C8:9B:B1:72:D7:A9:A2:EA:0B:A4:B3:C1:A5:E3:60:9B: 26:E9:53:A8:03:02:20:41:10:92:95:13:8F:BF:5B:12: E5:9F:45:4D:FD:BF:C5:A7:E1:9A:D0:C9:73:4E:0D:53: 4E:99:95:EA:EF:11:FE
-----BEGIN CERTIFICATE-----
MIIGZDCCBUygAwIBAgIQCMs41zjF3GXoHkq2QMvmujANBgkqhkiG9w0BAQsFADBe
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMR0wGwYDVQQDExRUaGF3dGUgVExTIFJTQSBDQSBHMTAe
Fw0yNjA1MDYwMDAwMDBaFw0yNjExMjAyMzU5NTlaMGIxCzAJBgNVBAYTAklUMRIw
EAYDVQQIEwlMb21iYXJkaWExDzANBgNVBAcTBk1pbGFubzEXMBUGA1UEChMORmFz
dFdlYiBTLnAuQS4xFTATBgNVBAMMDCouZmFzdHdlYi5pdDCCASIwDQYJKoZIhvcN
AQEBBQADggEPADCCAQoCggEBAL5en/zWYL1tyHyuGITszo/uVAf4vztoDqpynFnU
P3PcEtfiSKiqdu3OsBRqaBfSnUXFw4XK7z8Ffpj2OORAUgUYnI3bqmxybDAqQ0wh
cjtAlt9+Zb3dFRJmjrlEVCJoMuh8FY+N/jzKNRM5UO7wthixHtbm44EGeEk83zcN
2ECnq4QQOKaUvCFWZPTxE/DrHjWf9r1zehQZbzx5PdfooXurXERdyruW0jn/FRn0
uRxsqrYw/0mll/Kc7g1O/Wq4k/gDD5qYkjAcmuXWKURVGTqJSv3YkEqI9U+49STC
oNUdY8SKbWaqj7wH8G4pic3u7LMlBscU+PAFMSkUzoTrzb0CAwEAAaOCAxgwggMU
MB8GA1UdIwQYMBaAFKWM/jLM6w8s1BnGCLgAJIhdw8W3MB0GA1UdDgQWBBT7ZBAl
TNLm03h4t3OlEEfzJrbjQjAjBgNVHREEHDAaggwqLmZhc3R3ZWIuaXSCCmZhc3R3
ZWIuaXQwPgYDVR0gBDcwNTAzBgZngQwBAgIwKTAnBggrBgEFBQcCARYbaHR0cDov
L3d3dy5kaWdpY2VydC5jb20vQ1BTMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwOwYDVR0fBDQwMjAwoC6gLIYqaHR0cDovL2Nk
cC50aGF3dGUuY29tL1RoYXd0ZVRMU1JTQUNBRzEuY3JsMHAGCCsGAQUFBwEBBGQw
YjAkBggrBgEFBQcwAYYYaHR0cDovL3N0YXR1cy50aGF3dGUuY29tMDoGCCsGAQUF
BzAChi5odHRwOi8vY2FjZXJ0cy50aGF3dGUuY29tL1RoYXd0ZVRMU1JTQUNBRzEu
Y3J0MAwGA1UdEwEB/wQCMAAwggF/BgorBgEEAdZ5AgQCBIIBbwSCAWsBaQB3AMIx
fldFGaNF7n843rKQQevHwiFaIr9/1bWtdprZDlLNAAABnfxsWeIAAAQDAEgwRgIh
AP1IRwh3rWxeeYI4D6lCUHt/JiLaGNqh8yPZkA6snEWiAiEAoGWnG3/bTVzpgoON
eWlp/khnWGPOoVUA5WqC33hqe/UAdgDYCVU7lE96/8gWGW+UT4WrsPj8XodVJg8V
0S5yu0VLFAAAAZ38bFoGAAAEAwBHMEUCIG5j/x/uzkL8xOn1P+wrFGrYl3mp8idC
h46F8iFAsHvFAiEA/3UF5Ia6T3YS3I+7aOWNENdAs+hrg+bcMmSLJ2j3oGUAdgCU
TkOH+uzB74HzGSQmqBhlAcfTXzgCAT9yZ31VNy4Z2AAAAZ38bFnzAAAEAwBHMEUC
IQCaULm9fe9fS2MDT8ibsXLXqaLqC6SzwaXjYJsm6VOoAwIgQRCSlROPv1sS5Z9F
Tf2/xafhmtDJc04NU06ZlervEf4wDQYJKoZIhvcNAQELBQADggEBACrtLNDEtrHL
MTSZhB4nh2wvYWjy6kC8wETUZ7LQ73qQLdfEjyAHqhhGomlqopFwVPALXVCX8Mxp
f7++0RWcKn3JYO2Z6T2tIfAgSFYLnCcwinPgnX6VJHu3v84p9YBiIGMNlmaKXWYz
QIyen8suTGgVpVT84HEj8d/V2az09ZiNagnlh4suxfSkj+MoBA4uGoyAtRzJob3J
/CQjtRa9KMFngrHZFm75EdnfibUhcChK7KKhYUXPEUEGp/3DTDE59QQ6lsZmFIY6
8bIvN8c0O5yYTvj9v4rNq+b9QAwHTAwhDSf8BXnF7b/0HnNiMwTI2wQtqDTDduB+
GolH4NsV87w=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-SHA · Checked 2026-09-25T22:50:07+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
402
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4129
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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